src/vm/vm.c

   1 /* src/vm/vm.c - VM startup and shutdown functions
   2
   3    Copyright (C) 1996-2005, 2006, 2007, 2008
   4    CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
   5
   6    This file is part of CACAO.
   7
   8    This program is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU General Public License as
  10    published by the Free Software Foundation; either version 2, or (at
  11    your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful, but
  14    WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  21    02110-1301, USA.
  22
  23 */
  24
  25
  26 #include "config.h"
  27
  28 #include <assert.h>
  29 #include <errno.h>
  30 #include <stdint.h>
  31 #include <stdlib.h>
  32
  33 #include "vm/types.h"
  34
  35 #include "arch.h"
  36 #include "md-abi.h"
  37
  38 #include "vm/jit/abi-asm.h"
  39
  40 #include "mm/codememory.h"
  41 #include "mm/gc-common.h"
  42 #include "mm/memory.h"
  43
  44 #include "native/jni.h"
  45 #include "native/llni.h"
  46 #include "native/localref.h"
  47 #include "native/native.h"
  48
  49 #include "native/include/java_lang_Object.h"             /* required by j.l.C */
  50 #include "native/include/java_lang_String.h"             /* required by j.l.C */
  51
  52 #if defined(WITH_CLASSPATH_SUN)
  53 # include "native/include/java_nio_ByteBuffer.h"        /* required by j.l.CL */
  54 # include "native/include/java_lang_ClassLoader.h"       /* required by j.l.C */
  55 #endif
  56
  57 #include "native/include/java_lang_Class.h"
  58
  59 #include "native/vm/nativevm.h"
  60
  61 #include "threads/lock-common.h"
  62 #include "threads/mutex.h"
  63 #include "threads/threadlist.h"
  64 #include "threads/thread.h"
  65
  66 #include "toolbox/logging.h"
  67
  68 #include "vm/array.h"
  69
  70 #if defined(ENABLE_ASSERTION)
  71 #include "vm/assertion.h"
  72 #endif
  73
  74 #include "vm/builtin.h"
  75 #include "vm/exceptions.h"
  76 #include "vm/finalizer.h"
  77 #include "vm/global.h"
  78 #include "vm/initialize.h"
  79 #include "vm/package.h"
  80 #include "vm/primitive.h"
  81 #include "vm/properties.h"
  82 #include "vm/signallocal.h"
  83 #include "vm/stringlocal.h"
  84 #include "vm/vm.h"
  85
  86 #include "vm/jit/argument.h"
  87 #include "vm/jit/asmpart.h"
  88 #include "vm/jit/code.h"
  89
  90 #if defined(ENABLE_DISASSEMBLER)
  91 # include "vm/jit/disass.h"
  92 #endif
  93
  94 #include "vm/jit/jit.h"
  95 #include "vm/jit/methodtree.h"
  96
  97 #if defined(ENABLE_PROFILING)
  98 # include "vm/jit/optimizing/profile.h"
  99 #endif
 100
 101 #include "vm/jit/optimizing/recompile.h"
 102
 103 #if defined(ENABLE_PYTHON)
 104 # include "vm/jit/python.h"
 105 #endif
 106
 107 #include "vm/jit/trap.h"
 108
 109 #include "vmcore/classcache.h"
 110 #include "vmcore/options.h"
 111 #include "vmcore/statistics.h"
 112 #include "vmcore/suck.h"
 113 #include "vmcore/system.h"
 114
 115 #if defined(ENABLE_JVMTI)
 116 # include "native/jvmti/cacaodbg.h"
 117 #endif
 118
 119 #if defined(ENABLE_VMLOG)
 120 #include <vmlog_cacao.h>
 121 #endif
 122
 123
 124 /* Invocation API variables ***************************************************/
 125
 126 _Jv_JavaVM *_Jv_jvm;                    /* denotes a Java VM                  */
 127 _Jv_JNIEnv *_Jv_env;                    /* pointer to native method interface */
 128
 129
 130 /* global variables ***********************************************************/
 131
 132 s4 vms = 0;                             /* number of VMs created              */
 133
 134 bool vm_initializing = false;
 135 bool vm_created      = false;
 136 bool vm_exiting      = false;
 137
 138 char      *mainstring = NULL;
 139 classinfo *mainclass = NULL;
 140
 141 #if defined(ENABLE_INTRP)
 142 u1 *intrp_main_stack = NULL;
 143 #endif
 144
 145
 146 /* define heap sizes **********************************************************/
 147
 148 #define HEAP_MAXSIZE      128 * 1024 * 1024 /* default 128MB                  */
 149 #define HEAP_STARTSIZE      2 * 1024 * 1024 /* default 2MB                    */
 150 #define STACK_SIZE               128 * 1024 /* default 64kB                   */
 151
 152
 153 /* define command line options ************************************************/
 154
 155 enum {
 156         OPT_FOO,
 157
 158         /* Java options */
 159
 160         OPT_JAR,
 161
 162         OPT_D32,
 163         OPT_D64,
 164
 165         OPT_CLASSPATH,
 166         OPT_D,
 167
 168         OPT_VERBOSE,
 169
 170         OPT_VERSION,
 171         OPT_SHOWVERSION,
 172         OPT_FULLVERSION,
 173
 174         OPT_HELP,
 175         OPT_X,
 176         OPT_XX,
 177
 178         OPT_EA,
 179         OPT_DA,
 180         OPT_EA_NOARG,
 181         OPT_DA_NOARG,
 182
 183
 184         OPT_ESA,
 185         OPT_DSA,
 186
 187         /* Java non-standard options */
 188
 189         OPT_JIT,
 190         OPT_INTRP,
 191
 192         OPT_BOOTCLASSPATH,
 193         OPT_BOOTCLASSPATH_A,
 194         OPT_BOOTCLASSPATH_P,
 195
 196         OPT_BOOTCLASSPATH_C,
 197
 198 #if defined(ENABLE_PROFILING)
 199         OPT_PROF,
 200         OPT_PROF_OPTION,
 201 #endif
 202
 203         OPT_MS,
 204         OPT_MX,
 205
 206         /* CACAO options */
 207
 208         OPT_VERBOSE1,
 209         OPT_NOIEEE,
 210
 211 #if defined(ENABLE_STATISTICS)
 212         OPT_TIME,
 213         OPT_STAT,
 214 #endif
 215
 216         OPT_LOG,
 217         OPT_CHECK,
 218         OPT_LOAD,
 219         OPT_SHOW,
 220         OPT_DEBUGCOLOR,
 221
 222 #if !defined(NDEBUG)
 223         OPT_ALL,
 224         OPT_METHOD,
 225         OPT_SIGNATURE,
 226 #endif
 227
 228 #if defined(ENABLE_VERIFIER)
 229         OPT_NOVERIFY,
 230 #if defined(TYPECHECK_VERBOSE)
 231         OPT_VERBOSETC,
 232 #endif
 233 #endif /* defined(ENABLE_VERIFIER) */
 234
 235         /* optimization options */
 236
 237 #if defined(ENABLE_LOOP)
 238         OPT_OLOOP,
 239 #endif
 240
 241 #if defined(ENABLE_IFCONV)
 242         OPT_IFCONV,
 243 #endif
 244
 245 #if defined(ENABLE_LSRA) || defined(ENABLE_SSA)
 246         OPT_LSRA,
 247 #endif
 248
 249 #if defined(ENABLE_INTRP)
 250         /* interpreter options */
 251
 252         OPT_NO_DYNAMIC,
 253         OPT_NO_REPLICATION,
 254         OPT_NO_QUICKSUPER,
 255         OPT_STATIC_SUPERS,
 256         OPT_TRACE,
 257 #endif
 258
 259         OPT_SS,
 260
 261 #ifdef ENABLE_JVMTI
 262         OPT_DEBUG,
 263         OPT_XRUNJDWP,
 264         OPT_NOAGENT,
 265         OPT_AGENTLIB,
 266         OPT_AGENTPATH,
 267 #endif
 268
 269 #if defined(ENABLE_DEBUG_FILTER)
 270         OPT_FILTER_VERBOSECALL_INCLUDE,
 271         OPT_FILTER_VERBOSECALL_EXCLUDE,
 272         OPT_FILTER_SHOW_METHOD,
 273 #endif
 274
 275         DUMMY
 276 };
 277
 278
 279 opt_struct opts[] = {
 280         { "foo",               false, OPT_FOO },
 281
 282         /* Java options */
 283
 284         { "jar",               false, OPT_JAR },
 285
 286         { "d32",               false, OPT_D32 },
 287         { "d64",               false, OPT_D64 },
 288         { "client",            false, OPT_IGNORE },
 289         { "server",            false, OPT_IGNORE },
 290         { "jvm",               false, OPT_IGNORE },
 291         { "hotspot",           false, OPT_IGNORE },
 292
 293         { "classpath",         true,  OPT_CLASSPATH },
 294         { "cp",                true,  OPT_CLASSPATH },
 295         { "D",                 true,  OPT_D },
 296         { "version",           false, OPT_VERSION },
 297         { "showversion",       false, OPT_SHOWVERSION },
 298         { "fullversion",       false, OPT_FULLVERSION },
 299         { "help",              false, OPT_HELP },
 300         { "?",                 false, OPT_HELP },
 301         { "X",                 false, OPT_X },
 302         { "XX:",               true,  OPT_XX },
 303
 304         { "ea:",               true,  OPT_EA },
 305         { "da:",               true,  OPT_DA },
 306         { "ea",                false, OPT_EA_NOARG },
 307         { "da",                false, OPT_DA_NOARG },
 308
 309         { "enableassertions:",  true,  OPT_EA },
 310         { "disableassertions:", true,  OPT_DA },
 311         { "enableassertions",   false, OPT_EA_NOARG },
 312         { "disableassertions",  false, OPT_DA_NOARG },
 313
 314         { "esa",                     false, OPT_ESA },
 315         { "enablesystemassertions",  false, OPT_ESA },
 316         { "dsa",                     false, OPT_DSA },
 317         { "disablesystemassertions", false, OPT_DSA },
 318
 319         { "noasyncgc",         false, OPT_IGNORE },
 320 #if defined(ENABLE_VERIFIER)
 321         { "noverify",          false, OPT_NOVERIFY },
 322         { "Xverify:none",      false, OPT_NOVERIFY },
 323 #endif
 324         { "v",                 false, OPT_VERBOSE1 },
 325         { "verbose:",          true,  OPT_VERBOSE },
 326
 327 #if defined(ENABLE_VERIFIER) && defined(TYPECHECK_VERBOSE)
 328         { "verbosetc",         false, OPT_VERBOSETC },
 329 #endif
 330 #if defined(__ALPHA__)
 331         { "noieee",            false, OPT_NOIEEE },
 332 #endif
 333 #if defined(ENABLE_STATISTICS)
 334         { "time",              false, OPT_TIME },
 335         { "stat",              false, OPT_STAT },
 336 #endif
 337         { "log",               true,  OPT_LOG },
 338         { "c",                 true,  OPT_CHECK },
 339         { "l",                 false, OPT_LOAD },
 340
 341 #if !defined(NDEBUG)
 342         { "all",               false, OPT_ALL },
 343         { "sig",               true,  OPT_SIGNATURE },
 344 #endif
 345
 346 #if defined(ENABLE_LOOP)
 347         { "oloop",             false, OPT_OLOOP },
 348 #endif
 349 #if defined(ENABLE_IFCONV)
 350         { "ifconv",            false, OPT_IFCONV },
 351 #endif
 352 #if defined(ENABLE_LSRA)
 353         { "lsra",              false, OPT_LSRA },
 354 #endif
 355 #if  defined(ENABLE_SSA)
 356         { "lsra",              true, OPT_LSRA },
 357 #endif
 358
 359 #if defined(ENABLE_INTRP)
 360         /* interpreter options */
 361
 362         { "trace",             false, OPT_TRACE },
 363         { "static-supers",     true,  OPT_STATIC_SUPERS },
 364         { "no-dynamic",        false, OPT_NO_DYNAMIC },
 365         { "no-replication",    false, OPT_NO_REPLICATION },
 366         { "no-quicksuper",     false, OPT_NO_QUICKSUPER },
 367 #endif
 368
 369         /* JVMTI Agent Command Line Options */
 370 #ifdef ENABLE_JVMTI
 371         { "agentlib:",         true,  OPT_AGENTLIB },
 372         { "agentpath:",        true,  OPT_AGENTPATH },
 373 #endif
 374
 375         /* Java non-standard options */
 376
 377         { "Xjit",              false, OPT_JIT },
 378         { "Xint",              false, OPT_INTRP },
 379         { "Xbootclasspath:",   true,  OPT_BOOTCLASSPATH },
 380         { "Xbootclasspath/a:", true,  OPT_BOOTCLASSPATH_A },
 381         { "Xbootclasspath/p:", true,  OPT_BOOTCLASSPATH_P },
 382         { "Xbootclasspath/c:", true,  OPT_BOOTCLASSPATH_C },
 383
 384 #ifdef ENABLE_JVMTI
 385         { "Xdebug",            false, OPT_DEBUG },
 386         { "Xnoagent",          false, OPT_NOAGENT },
 387         { "Xrunjdwp",          true,  OPT_XRUNJDWP },
 388 #endif
 389
 390         { "Xms",               true,  OPT_MS },
 391         { "ms",                true,  OPT_MS },
 392         { "Xmx",               true,  OPT_MX },
 393         { "mx",                true,  OPT_MX },
 394         { "Xss",               true,  OPT_SS },
 395         { "ss",                true,  OPT_SS },
 396
 397 #if defined(ENABLE_PROFILING)
 398         { "Xprof:",            true,  OPT_PROF_OPTION },
 399         { "Xprof",             false, OPT_PROF },
 400 #endif
 401
 402         /* keep these at the end of the list */
 403
 404 #if !defined(NDEBUG)
 405         { "m",                 true,  OPT_METHOD },
 406 #endif
 407
 408         { "s",                 true,  OPT_SHOW },
 409         { "debug-color",      false,  OPT_DEBUGCOLOR },
 410
 411 #if defined(ENABLE_DEBUG_FILTER)
 412         { "XXfi",              true,  OPT_FILTER_VERBOSECALL_INCLUDE },
 413         { "XXfx",              true,  OPT_FILTER_VERBOSECALL_EXCLUDE },
 414         { "XXfm",              true,  OPT_FILTER_SHOW_METHOD },
 415 #endif
 416
 417         { NULL,                false, 0 }
 418 };
 419
 420
 421 /* usage ***********************************************************************
 422
 423    Prints the correct usage syntax to stdout.
 424
 425 *******************************************************************************/
 426
 427 void usage(void)
 428 {
 429         puts("Usage: cacao [-options] classname [arguments]");
 430         puts("               (to run a class file)");
 431         puts("   or  cacao [-options] -jar jarfile [arguments]");
 432         puts("               (to run a standalone jar file)\n");
 433
 434         puts("where options include:");
 435         puts("    -d32                     use 32-bit data model if available");
 436         puts("    -d64                     use 64-bit data model if available");
 437         puts("    -client                  compatibility (currently ignored)");
 438         puts("    -server                  compatibility (currently ignored)");
 439         puts("    -jvm                     compatibility (currently ignored)");
 440         puts("    -hotspot                 compatibility (currently ignored)\n");
 441
 442         puts("    -cp <path>               specify a path to look for classes");
 443         puts("    -classpath <path>        specify a path to look for classes");
 444         puts("    -D<name>=<value>         add an entry to the property list");
 445         puts("    -verbose[:class|gc|jni]  enable specific verbose output");
 446         puts("    -version                 print product version and exit");
 447         puts("    -fullversion             print jpackage-compatible product version and exit");
 448         puts("    -showversion             print product version and continue");
 449         puts("    -help, -?                print this help message");
 450         puts("    -X                       print help on non-standard Java options");
 451         puts("    -XX                      print help on debugging options");
 452     puts("    -ea[:<packagename>...|:<classname>]");
 453     puts("    -enableassertions[:<packagename>...|:<classname>]");
 454         puts("                             enable assertions with specified granularity");
 455         puts("    -da[:<packagename>...|:<classname>]");
 456         puts("    -disableassertions[:<packagename>...|:<classname>]");
 457         puts("                             disable assertions with specified granularity");
 458         puts("    -esa | -enablesystemassertions");
 459         puts("                             enable system assertions");
 460         puts("    -dsa | -disablesystemassertions");
 461         puts("                             disable system assertions");
 462
 463 #ifdef ENABLE_JVMTI
 464         puts("    -agentlib:<agent-lib-name>=<options>  library to load containg JVMTI agent");
 465         puts ("                                         for jdwp help use: -agentlib:jdwp=help");
 466         puts("    -agentpath:<path-to-agent>=<options>  path to library containg JVMTI agent");
 467 #endif
 468
 469         /* exit with error code */
 470
 471         exit(1);
 472 }
 473
 474
 475 static void Xusage(void)
 476 {
 477 #if defined(ENABLE_JIT)
 478         puts("    -Xjit                    JIT mode execution (default)");
 479 #endif
 480 #if defined(ENABLE_INTRP)
 481         puts("    -Xint                    interpreter mode execution");
 482 #endif
 483         puts("    -Xbootclasspath:<zip/jar files and directories separated by :>");
 484     puts("                             value is set as bootstrap class path");
 485         puts("    -Xbootclasspath/a:<zip/jar files and directories separated by :>");
 486         puts("                             value is appended to the bootstrap class path");
 487         puts("    -Xbootclasspath/p:<zip/jar files and directories separated by :>");
 488         puts("                             value is prepended to the bootstrap class path");
 489         puts("    -Xbootclasspath/c:<zip/jar files and directories separated by :>");
 490         puts("                             value is used as Java core library, but the");
 491         puts("                             hardcoded VM interface classes are prepended");
 492         printf("    -Xms<size>               set the initial size of the heap (default: %dMB)\n", HEAP_STARTSIZE / 1024 / 1024);
 493         printf("    -Xmx<size>               set the maximum size of the heap (default: %dMB)\n", HEAP_MAXSIZE / 1024 / 1024);
 494         printf("    -Xss<size>               set the thread stack size (default: %dkB)\n", STACK_SIZE / 1024);
 495
 496 #if defined(ENABLE_PROFILING)
 497         puts("    -Xprof[:bb]              collect and print profiling data");
 498 #endif
 499
 500 #if defined(ENABLE_JVMTI)
 501     /* -Xdebug option depend on gnu classpath JDWP options. options:
 502          transport=dt_socket,address=<hostname:port>,server=(y|n),suspend(y|n) */
 503         puts("    -Xdebug                  enable remote debugging\n");
 504         puts("    -Xrunjdwp transport=[dt_socket|...],address=<hostname:port>,server=[y|n],suspend=[y|n]\n");
 505         puts("                             enable remote debugging\n");
 506 #endif
 507
 508         /* exit with error code */
 509
 510         exit(1);
 511 }
 512
 513
 514 #if 0
 515 static void XXusage(void)
 516 {
 517         puts("    -v                       write state-information");
 518 #if !defined(NDEBUG)
 519         puts("    -verbose:jit             enable specific verbose output");
 520         puts("    -debug-color             colored output for ANSI terms");
 521 #endif
 522 #ifdef TYPECHECK_VERBOSE
 523         puts("    -verbosetc               write debug messages while typechecking");
 524 #endif
 525 #if defined(__ALPHA__)
 526         puts("    -noieee                  don't use ieee compliant arithmetic");
 527 #endif
 528 #if defined(ENABLE_VERIFIER)
 529         puts("    -noverify                don't verify classfiles");
 530 #endif
 531 #if defined(ENABLE_STATISTICS)
 532         puts("    -time                    measure the runtime");
 533         puts("    -stat                    detailed compiler statistics");
 534 #endif
 535         puts("    -log logfile             specify a name for the logfile");
 536         puts("    -c(heck)b(ounds)         don't check array bounds");
 537         puts("            s(ync)           don't check for synchronization");
 538 #if defined(ENABLE_LOOP)
 539         puts("    -oloop                   optimize array accesses in loops");
 540 #endif
 541         puts("    -l                       don't start the class after loading");
 542 #if !defined(NDEBUG)
 543         puts("    -all                     compile all methods, no execution");
 544         puts("    -m                       compile only a specific method");
 545         puts("    -sig                     specify signature for a specific method");
 546 #endif
 547
 548         puts("    -s...                    show...");
 549         puts("      (c)onstants            the constant pool");
 550         puts("      (m)ethods              class fields and methods");
 551         puts("      (u)tf                  the utf - hash");
 552         puts("      (i)ntermediate         intermediate representation");
 553 #if defined(ENABLE_DISASSEMBLER)
 554         puts("      (a)ssembler            disassembled listing");
 555         puts("      n(o)ps                 show NOPs in disassembler output");
 556 #endif
 557         puts("      (d)atasegment          data segment listing");
 558
 559 #if defined(ENABLE_IFCONV)
 560         puts("    -ifconv                  use if-conversion");
 561 #endif
 562 #if defined(ENABLE_LSRA)
 563         puts("    -lsra                    use linear scan register allocation");
 564 #endif
 565 #if defined(ENABLE_SSA)
 566         puts("    -lsra:...                use linear scan register allocation (with SSA)");
 567         puts("       (d)ead code elimination");
 568         puts("       (c)opy propagation");
 569 #endif
 570 #if defined(ENABLE_DEBUG_FILTER)
 571         puts("    -XXfi <regex>            begin of dynamic scope for verbosecall filter");
 572         puts("    -XXfx <regex>            end of dynamic scope for verbosecall filter");
 573         puts("    -XXfm <regex>            filter for show options");
 574 #endif
 575         /* exit with error code */
 576
 577         exit(1);
 578 }
 579 #endif
 580
 581
 582 /* version *********************************************************************
 583
 584    Only prints cacao version information.
 585
 586 *******************************************************************************/
 587
 588 static void version(bool opt_exit)
 589 {
 590         puts("java version \""JAVA_VERSION"\"");
 591         puts("CACAO version "VERSION"\n");
 592
 593         puts("Copyright (C) 1996-2005, 2006, 2007, 2008");
 594         puts("CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO");
 595         puts("This is free software; see the source for copying conditions.  There is NO");
 596         puts("warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.");
 597
 598         /* exit normally, if requested */
 599
 600         if (opt_exit)
 601                 exit(0);
 602 }
 603
 604
 605 /* fullversion *****************************************************************
 606
 607    Prints a Sun compatible version information (required e.g. by
 608    jpackage, www.jpackage.org).
 609
 610 *******************************************************************************/
 611
 612 static void fullversion(void)
 613 {
 614         puts("java full version \"cacao-"JAVA_VERSION"\"");
 615
 616         /* exit normally */
 617
 618         exit(0);
 619 }
 620
 621
 622 static void vm_printconfig(void)
 623 {
 624         puts("Configure/Build options:\n");
 625         puts("  ./configure: "VERSION_CONFIGURE_ARGS"");
 626 #if defined(__VERSION__)
 627         puts("  CC         : "VERSION_CC" ("__VERSION__")");
 628 #else
 629         puts("  CC         : "VERSION_CC"");
 630 #endif
 631         puts("  CFLAGS     : "VERSION_CFLAGS"\n");
 632
 633         puts("Default variables:\n");
 634         printf("  maximum heap size              : %d\n", HEAP_MAXSIZE);
 635         printf("  initial heap size              : %d\n", HEAP_STARTSIZE);
 636         printf("  stack size                     : %d\n", STACK_SIZE);
 637
 638 #if defined(WITH_JRE_LAYOUT)
 639         /* When we're building with JRE-layout, the default paths are the
 640            same as the runtime paths. */
 641 #else
 642 # if defined(WITH_CLASSPATH_GNU)
 643         puts("  gnu.classpath.boot.library.path: "CLASSPATH_LIBDIR);
 644         puts("  java.boot.class.path           : "CACAO_VM_ZIP":"CLASSPATH_CLASSES"");
 645 # elif defined(WITH_CLASSPATH_SUN)
 646         puts("  sun.boot.library.path          : "CLASSPATH_LIBDIR);
 647         puts("  java.boot.class.path           : "CLASSPATH_CLASSES);
 648 # endif
 649 #endif
 650
 651         puts("");
 652
 653         puts("Runtime variables:\n");
 654         printf("  maximum heap size              : %d\n", opt_heapmaxsize);
 655         printf("  initial heap size              : %d\n", opt_heapstartsize);
 656         printf("  stack size                     : %d\n", opt_stacksize);
 657
 658 #if defined(WITH_CLASSPATH_GNU)
 659         printf("  gnu.classpath.boot.library.path: %s\n", properties_get("gnu.classpath.boot.library.path"));
 660 #elif defined(WITH_CLASSPATH_SUN)
 661         printf("  sun.boot.library.path          : %s\n", properties_get("sun.boot.library.path"));
 662 #endif
 663
 664         printf("  java.boot.class.path           : %s\n", properties_get("java.boot.class.path"));
 665         printf("  java.class.path                : %s\n", properties_get("java.class.path"));
 666 }
 667
 668
 669 /* forward declarations *******************************************************/
 670
 671 static char *vm_get_mainclass_from_jar(char *mainstring);
 672 #if !defined(NDEBUG)
 673 static void  vm_compile_all(void);
 674 static void  vm_compile_method(void);
 675 #endif
 676
 677
 678 /* vm_createjvm ****************************************************************
 679
 680    Implementation for JNI_CreateJavaVM.
 681
 682 *******************************************************************************/
 683
 684 bool vm_createjvm(JavaVM **p_vm, void **p_env, void *vm_args)
 685 {
 686         JavaVMInitArgs *_vm_args;
 687         _Jv_JNIEnv     *env;
 688         _Jv_JavaVM     *vm;
 689
 690         /* get the arguments for the new JVM */
 691
 692         _vm_args = (JavaVMInitArgs *) vm_args;
 693
 694         /* get the VM and Env tables (must be set before vm_create) */
 695
 696         env = NEW(_Jv_JNIEnv);
 697
 698 #if defined(ENABLE_JNI)
 699         env->env = &_Jv_JNINativeInterface;
 700 #endif
 701
 702         /* XXX Set the global variable.  Maybe we should do that differently. */
 703
 704         _Jv_env = env;
 705
 706         /* create and fill a JavaVM structure */
 707
 708         vm = NEW(_Jv_JavaVM);
 709
 710 #if defined(ENABLE_JNI)
 711         vm->functions = &_Jv_JNIInvokeInterface;
 712 #endif
 713
 714         /* XXX Set the global variable.  Maybe we should do that differently. */
 715         /* XXX JVMTI Agents needs a JavaVM  */
 716
 717         _Jv_jvm = vm;
 718
 719         /* actually create the JVM */
 720
 721         if (!vm_create(_vm_args))
 722                 goto error;
 723
 724         /* now return the values */
 725
 726         *p_vm  = (JavaVM *) vm;
 727         *p_env = (void *) env;
 728
 729         return true;
 730
 731  error:
 732         /* release allocated memory */
 733
 734         FREE(env, _Jv_JNIEnv);
 735         FREE(vm, _Jv_JavaVM);
 736
 737         return false;
 738 }
 739
 740
 741 /* vm_create *******************************************************************
 742
 743    Creates a JVM.  Called by vm_createjvm.
 744
 745 *******************************************************************************/
 746
 747 bool vm_create(JavaVMInitArgs *vm_args)
 748 {
 749         int   len;
 750         char *p;
 751         char *boot_class_path;
 752         char *class_path;
 753         int   opt;
 754         int   i, j;
 755         bool  opt_version;
 756         bool  opt_exit;
 757
 758 #if defined(ENABLE_JVMTI)
 759         lt_dlhandle  handle;
 760         char *libname, *agentarg;
 761         bool jdwp,agentbypath;
 762         jdwp = agentbypath = false;
 763 #endif
 764
 765 #if defined(ENABLE_JNI)
 766         /* Check the JNI version requested. */
 767
 768         if (!jni_version_check(vm_args->version))
 769                 return false;
 770 #endif
 771
 772         /* We only support 1 JVM instance. */
 773
 774         if (vms > 0)
 775                 return false;
 776
 777         /* Install the exit handler. */
 778
 779         if (atexit(vm_exit_handler))
 780                 vm_abort("atexit failed: %s\n", strerror(errno));
 781
 782         /* Set some options. */
 783
 784         opt_version       = false;
 785         opt_exit          = false;
 786
 787         opt_noieee        = false;
 788
 789         opt_heapmaxsize   = HEAP_MAXSIZE;
 790         opt_heapstartsize = HEAP_STARTSIZE;
 791         opt_stacksize     = STACK_SIZE;
 792
 793         /* Initialize the properties list before command-line handling.
 794            Otherwise -XX:+PrintConfig crashes. */
 795
 796         properties_init();
 797
 798         /* First of all, parse the -XX options. */
 799
 800 #if defined(ENABLE_VMLOG)
 801         vmlog_cacao_init_options();
 802 #endif
 803
 804         options_xx(vm_args);
 805
 806 #if defined(ENABLE_VMLOG)
 807         vmlog_cacao_init();
 808 #endif
 809
 810         /* We need to check if the actual size of a java.lang.Class object
 811            is smaller or equal than the assumption made in
 812            src/vmcore/class.h. */
 813
 814         if (sizeof(java_lang_Class) > sizeof(dummy_java_lang_Class))
 815                 vm_abort("vm_create: java_lang_Class structure is bigger than classinfo.object (%d > %d)", sizeof(java_lang_Class), sizeof(dummy_java_lang_Class));
 816
 817         /* set the VM starttime */
 818
 819         _Jv_jvm->starttime = builtin_currenttimemillis();
 820
 821 #if defined(ENABLE_JVMTI)
 822         /* initialize JVMTI related  **********************************************/
 823         jvmti = false;
 824 #endif
 825
 826         /* Fill the properties before command-line handling. */
 827
 828         properties_set();
 829
 830         /* iterate over all passed options */
 831
 832         while ((opt = options_get(opts, vm_args)) != OPT_DONE) {
 833                 switch (opt) {
 834                 case OPT_FOO:
 835                         opt_foo = true;
 836                         break;
 837
 838                 case OPT_IGNORE:
 839                         break;
 840
 841                 case OPT_JAR:
 842                         opt_jar = true;
 843                         break;
 844
 845                 case OPT_D32:
 846 #if SIZEOF_VOID_P == 8
 847                         puts("Running a 32-bit JVM is not supported on this platform.");
 848                         exit(1);
 849 #endif
 850                         break;
 851
 852                 case OPT_D64:
 853 #if SIZEOF_VOID_P == 4
 854                         puts("Running a 64-bit JVM is not supported on this platform.");
 855                         exit(1);
 856 #endif
 857                         break;
 858
 859                 case OPT_CLASSPATH:
 860                         /* Forget old classpath and set the argument as new
 861                            classpath. */
 862
 863                         class_path = properties_get("java.class.path");
 864
 865                         p = MNEW(char, strlen(opt_arg) + strlen("0"));
 866
 867                         strcpy(p, opt_arg);
 868
 869 #if defined(ENABLE_JAVASE)
 870                         properties_add("java.class.path", p);
 871 #endif
 872
 873                         MFREE(class_path, char, strlen(class_path));
 874                         break;
 875
 876                 case OPT_D:
 877                         for (i = 0; i < strlen(opt_arg); i++) {
 878                                 if (opt_arg[i] == '=') {
 879                                         opt_arg[i] = '\0';
 880                                         properties_add(opt_arg, opt_arg + i + 1);
 881                                         goto opt_d_done;
 882                                 }
 883                         }
 884
 885                         /* if no '=' is given, just create an empty property */
 886
 887                         properties_add(opt_arg, "");
 888
 889                 opt_d_done:
 890                         break;
 891
 892                 case OPT_BOOTCLASSPATH:
 893                         /* Forget default bootclasspath and set the argument as
 894                            new boot classpath. */
 895
 896                         boot_class_path = properties_get("sun.boot.class.path");
 897
 898                         p = MNEW(char, strlen(opt_arg) + strlen("0"));
 899
 900                         strcpy(p, opt_arg);
 901
 902                         properties_add("sun.boot.class.path", p);
 903                         properties_add("java.boot.class.path", p);
 904
 905                         MFREE(boot_class_path, char, strlen(boot_class_path));
 906                         break;
 907
 908                 case OPT_BOOTCLASSPATH_A:
 909                         /* Append to bootclasspath. */
 910
 911                         boot_class_path = properties_get("sun.boot.class.path");
 912
 913                         len = strlen(boot_class_path);
 914
 915                         p = MREALLOC(boot_class_path,
 916                                                  char,
 917                                                  len + strlen("0"),
 918                                                  len + strlen(":") +
 919                                                  strlen(opt_arg) + strlen("0"));
 920
 921                         strcat(p, ":");
 922                         strcat(p, opt_arg);
 923
 924                         properties_add("sun.boot.class.path", p);
 925                         properties_add("java.boot.class.path", p);
 926                         break;
 927
 928                 case OPT_BOOTCLASSPATH_P:
 929                         /* Prepend to bootclasspath. */
 930
 931                         boot_class_path = properties_get("sun.boot.class.path");
 932
 933                         len = strlen(boot_class_path);
 934
 935                         p = MNEW(char, strlen(opt_arg) + strlen(":") + len + strlen("0"));
 936
 937                         strcpy(p, opt_arg);
 938                         strcat(p, ":");
 939                         strcat(p, boot_class_path);
 940
 941                         properties_add("sun.boot.class.path", p);
 942                         properties_add("java.boot.class.path", p);
 943
 944                         MFREE(boot_class_path, char, len);
 945                         break;
 946
 947                 case OPT_BOOTCLASSPATH_C:
 948                         /* Use as Java core library, but prepend VM interface
 949                            classes. */
 950
 951                         boot_class_path = properties_get("sun.boot.class.path");
 952
 953                         len =
 954                                 strlen(CACAO_VM_ZIP) +
 955                                 strlen(":") +
 956                                 strlen(opt_arg) +
 957                                 strlen("0");
 958
 959                         p = MNEW(char, len);
 960
 961                         strcpy(p, CACAO_VM_ZIP);
 962                         strcat(p, ":");
 963                         strcat(p, opt_arg);
 964
 965                         properties_add("sun.boot.class.path", p);
 966                         properties_add("java.boot.class.path", p);
 967
 968                         MFREE(boot_class_path, char, strlen(boot_class_path));
 969                         break;
 970
 971 #if defined(ENABLE_JVMTI)
 972                 case OPT_DEBUG:
 973                         /* this option exists only for compatibility reasons */
 974                         break;
 975
 976                 case OPT_NOAGENT:
 977                         /* I don't know yet what Xnoagent should do. This is only for
 978                            compatiblity with eclipse - motse */
 979                         break;
 980
 981                 case OPT_XRUNJDWP:
 982                         agentbypath = true;
 983                         jvmti       = true;
 984                         jdwp        = true;
 985
 986                         len =
 987                                 strlen(CACAO_LIBDIR) +
 988                                 strlen("/libjdwp.so=") +
 989                                 strlen(opt_arg) +
 990                                 strlen("0");
 991
 992                         agentarg = MNEW(char, len);
 993
 994                         strcpy(agentarg, CACAO_LIBDIR);
 995                         strcat(agentarg, "/libjdwp.so=");
 996                         strcat(agentarg, &opt_arg[1]);
 997                         break;
 998
 999                 case OPT_AGENTPATH:
1000                         agentbypath = true;
1001
1002                 case OPT_AGENTLIB:
1003                         jvmti = true;
1004                         agentarg = opt_arg;
1005                         break;
1006 #endif
1007
1008                 case OPT_MX:
1009                 case OPT_MS:
1010                 case OPT_SS:
1011                         {
1012                                 char c;
1013                                 c = opt_arg[strlen(opt_arg) - 1];
1014
1015                                 if ((c == 'k') || (c == 'K')) {
1016                                         j = atoi(opt_arg) * 1024;
1017
1018                                 } else if ((c == 'm') || (c == 'M')) {
1019                                         j = atoi(opt_arg) * 1024 * 1024;
1020
1021                                 } else
1022                                         j = atoi(opt_arg);
1023
1024                                 if (opt == OPT_MX)
1025                                         opt_heapmaxsize = j;
1026                                 else if (opt == OPT_MS)
1027                                         opt_heapstartsize = j;
1028                                 else
1029                                         opt_stacksize = j;
1030                         }
1031                         break;
1032
1033                 case OPT_VERBOSE1:
1034                         opt_verbose = true;
1035                         break;
1036
1037                 case OPT_VERBOSE:
1038                         if (strcmp("class", opt_arg) == 0) {
1039                                 opt_verboseclass = true;
1040                         }
1041                         else if (strcmp("gc", opt_arg) == 0) {
1042                                 opt_verbosegc = true;
1043                         }
1044                         else if (strcmp("jni", opt_arg) == 0) {
1045                                 opt_verbosejni = true;
1046                         }
1047 #if !defined(NDEBUG)
1048                         else if (strcmp("jit", opt_arg) == 0) {
1049                                 opt_verbose = true;
1050                                 loadverbose = true;
1051                                 initverbose = true;
1052                                 compileverbose = true;
1053                         }
1054 #endif
1055                         else {
1056                                 printf("Unknown -verbose option: %s\n", opt_arg);
1057                                 usage();
1058                         }
1059                         break;
1060
1061                 case OPT_DEBUGCOLOR:
1062                         opt_debugcolor = true;
1063                         break;
1064
1065 #if defined(ENABLE_VERIFIER) && defined(TYPECHECK_VERBOSE)
1066                 case OPT_VERBOSETC:
1067                         opt_typecheckverbose = true;
1068                         break;
1069 #endif
1070
1071                 case OPT_VERSION:
1072                         opt_version = true;
1073                         opt_exit    = true;
1074                         break;
1075
1076                 case OPT_FULLVERSION:
1077                         fullversion();
1078                         break;
1079
1080                 case OPT_SHOWVERSION:
1081                         opt_version = true;
1082                         break;
1083
1084                 case OPT_NOIEEE:
1085                         opt_noieee = true;
1086                         break;
1087
1088 #if defined(ENABLE_VERIFIER)
1089                 case OPT_NOVERIFY:
1090                         opt_verify = false;
1091                         break;
1092 #endif
1093
1094 #if defined(ENABLE_STATISTICS)
1095                 case OPT_TIME:
1096                         opt_getcompilingtime = true;
1097                         opt_getloadingtime = true;
1098                         break;
1099
1100                 case OPT_STAT:
1101                         opt_stat = true;
1102                         break;
1103 #endif
1104
1105                 case OPT_LOG:
1106                         log_init(opt_arg);
1107                         break;
1108
1109                 case OPT_CHECK:
1110                         for (i = 0; i < strlen(opt_arg); i++) {
1111                                 switch (opt_arg[i]) {
1112                                 case 'b':
1113                                         checkbounds = false;
1114                                         break;
1115                                 case 's':
1116                                         checksync = false;
1117                                         break;
1118                                 default:
1119                                         usage();
1120                                 }
1121                         }
1122                         break;
1123
1124                 case OPT_LOAD:
1125                         opt_run = false;
1126                         makeinitializations = false;
1127                         break;
1128
1129 #if !defined(NDEBUG)
1130                 case OPT_ALL:
1131                         compileall = true;
1132                         opt_run = false;
1133                         makeinitializations = false;
1134                         break;
1135
1136                 case OPT_METHOD:
1137                         opt_run = false;
1138                         opt_method = opt_arg;
1139                         makeinitializations = false;
1140                         break;
1141
1142                 case OPT_SIGNATURE:
1143                         opt_signature = opt_arg;
1144                         break;
1145 #endif
1146
1147                 case OPT_SHOW:       /* Display options */
1148                         for (i = 0; i < strlen(opt_arg); i++) {
1149                                 switch (opt_arg[i]) {
1150                                 case 'c':
1151                                         showconstantpool = true;
1152                                         break;
1153
1154                                 case 'u':
1155                                         showutf = true;
1156                                         break;
1157
1158                                 case 'm':
1159                                         showmethods = true;
1160                                         break;
1161
1162                                 case 'i':
1163                                         opt_showintermediate = true;
1164                                         compileverbose = true;
1165                                         break;
1166
1167 #if defined(ENABLE_DISASSEMBLER)
1168                                 case 'a':
1169                                         opt_showdisassemble = true;
1170                                         compileverbose = true;
1171                                         break;
1172
1173                                 case 'o':
1174                                         opt_shownops = true;
1175                                         break;
1176 #endif
1177
1178                                 case 'd':
1179                                         opt_showddatasegment = true;
1180                                         break;
1181
1182                                 default:
1183                                         usage();
1184                                 }
1185                         }
1186                         break;
1187
1188 #if defined(ENABLE_LOOP)
1189                 case OPT_OLOOP:
1190                         opt_loops = true;
1191                         break;
1192 #endif
1193
1194 #if defined(ENABLE_IFCONV)
1195                 case OPT_IFCONV:
1196                         opt_ifconv = true;
1197                         break;
1198 #endif
1199
1200 #if defined(ENABLE_LSRA)
1201                 case OPT_LSRA:
1202                         opt_lsra = true;
1203                         break;
1204 #endif
1205 #if  defined(ENABLE_SSA)
1206                 case OPT_LSRA:
1207                         opt_lsra = true;
1208                         for (i = 0; i < strlen(opt_arg); i++) {
1209                                 switch (opt_arg[i]) {
1210                                 case 'c':
1211                                         opt_ssa_cp = true;
1212                                         break;
1213
1214                                 case 'd':
1215                                         opt_ssa_dce = true;
1216                                         break;
1217
1218                                 case ':':
1219                                         break;
1220
1221                                 default:
1222                                         usage();
1223                                 }
1224                         }
1225                         break;
1226 #endif
1227
1228                 case OPT_HELP:
1229                         usage();
1230                         break;
1231
1232                 case OPT_X:
1233                         Xusage();
1234                         break;
1235
1236                 case OPT_XX:
1237                         /* Already parsed. */
1238                         break;
1239
1240                 case OPT_EA:
1241 #if defined(ENABLE_ASSERTION)
1242                         assertion_ea_da(opt_arg, true);
1243 #endif
1244                         break;
1245
1246                 case OPT_DA:
1247 #if defined(ENABLE_ASSERTION)
1248                         assertion_ea_da(opt_arg, false);
1249 #endif
1250                         break;
1251
1252                 case OPT_EA_NOARG:
1253 #if defined(ENABLE_ASSERTION)
1254                         assertion_user_enabled = true;
1255 #endif
1256                         break;
1257
1258                 case OPT_DA_NOARG:
1259 #if defined(ENABLE_ASSERTION)
1260                         assertion_user_enabled = false;
1261 #endif
1262                         break;
1263
1264                 case OPT_ESA:
1265 #if defined(ENABLE_ASSERTION)
1266                         assertion_system_enabled = true;
1267 #endif
1268                         break;
1269
1270                 case OPT_DSA:
1271 #if defined(ENABLE_ASSERTION)
1272                         assertion_system_enabled = false;
1273 #endif
1274                         break;
1275
1276 #if defined(ENABLE_PROFILING)
1277                 case OPT_PROF_OPTION:
1278                         /* use <= to get the last \0 too */
1279
1280                         for (i = 0, j = 0; i <= strlen(opt_arg); i++) {
1281                                 if (opt_arg[i] == ',')
1282                                         opt_arg[i] = '\0';
1283
1284                                 if (opt_arg[i] == '\0') {
1285                                         if (strcmp("bb", opt_arg + j) == 0)
1286                                                 opt_prof_bb = true;
1287
1288                                         else {
1289                                                 printf("Unknown option: -Xprof:%s\n", opt_arg + j);
1290                                                 usage();
1291                                         }
1292
1293                                         /* set k to next char */
1294
1295                                         j = i + 1;
1296                                 }
1297                         }
1298                         /* fall through */
1299
1300                 case OPT_PROF:
1301                         opt_prof = true;
1302                         break;
1303 #endif
1304
1305                 case OPT_JIT:
1306 #if defined(ENABLE_JIT)
1307                         opt_jit = true;
1308 #else
1309                         printf("-Xjit option not enabled.\n");
1310                         exit(1);
1311 #endif
1312                         break;
1313
1314                 case OPT_INTRP:
1315 #if defined(ENABLE_INTRP)
1316                         opt_intrp = true;
1317 #else
1318                         printf("-Xint option not enabled.\n");
1319                         exit(1);
1320 #endif
1321                         break;
1322
1323 #if defined(ENABLE_INTRP)
1324                 case OPT_STATIC_SUPERS:
1325                         opt_static_supers = atoi(opt_arg);
1326                         break;
1327
1328                 case OPT_NO_DYNAMIC:
1329                         opt_no_dynamic = true;
1330                         break;
1331
1332                 case OPT_NO_REPLICATION:
1333                         opt_no_replication = true;
1334                         break;
1335
1336                 case OPT_NO_QUICKSUPER:
1337                         opt_no_quicksuper = true;
1338                         break;
1339
1340                 case OPT_TRACE:
1341                         vm_debug = true;
1342                         break;
1343 #endif
1344
1345 #if defined(ENABLE_DEBUG_FILTER)
1346                 case OPT_FILTER_VERBOSECALL_INCLUDE:
1347                         opt_filter_verbosecall_include = opt_arg;
1348                         break;
1349
1350                 case OPT_FILTER_VERBOSECALL_EXCLUDE:
1351                         opt_filter_verbosecall_exclude = opt_arg;
1352                         break;
1353
1354                 case OPT_FILTER_SHOW_METHOD:
1355                         opt_filter_show_method = opt_arg;
1356                         break;
1357
1358 #endif
1359                 default:
1360                         printf("Unknown option: %s\n",
1361                                    vm_args->options[opt_index].optionString);
1362                         usage();
1363                 }
1364         }
1365
1366         /* get the main class *****************************************************/
1367
1368         if (opt_index < vm_args->nOptions) {
1369                 mainstring = vm_args->options[opt_index++].optionString;
1370
1371                 /* Put the jar file into the classpath (if any). */
1372
1373                 if (opt_jar == true) {
1374                         /* free old classpath */
1375
1376 /*                      MFREE(_Jv_classpath, char, strlen(_Jv_classpath)); */
1377
1378                         /* put jarfile into classpath */
1379
1380                         p = MNEW(char, strlen(mainstring) + strlen("0"));
1381
1382                         strcpy(p, mainstring);
1383
1384 #if defined(ENABLE_JAVASE)
1385                         properties_add("java.class.path", p);
1386 #endif
1387                 }
1388                 else {
1389                         /* replace .'s with /'s in classname */
1390
1391                         for (i = strlen(mainstring) - 1; i >= 0; i--)
1392                                 if (mainstring[i] == '.')
1393                                         mainstring[i] = '/';
1394                 }
1395         }
1396
1397 #if defined(ENABLE_JVMTI)
1398         if (jvmti) {
1399                 jvmti_set_phase(JVMTI_PHASE_ONLOAD);
1400                 jvmti_agentload(agentarg, agentbypath, &handle, &libname);
1401
1402                 if (jdwp)
1403                         MFREE(agentarg, char, strlen(agentarg));
1404
1405                 jvmti_set_phase(JVMTI_PHASE_PRIMORDIAL);
1406         }
1407 #endif
1408
1409         /* initialize this JVM ****************************************************/
1410
1411         vm_initializing = true;
1412
1413         /* initialize the garbage collector */
1414
1415         gc_init(opt_heapmaxsize, opt_heapstartsize);
1416
1417 #if defined(ENABLE_THREADS)
1418         /* BEFORE: threads_preinit */
1419
1420         threadlist_init();
1421
1422         /* AFTER: gc_init (directly after, as this initializes the
1423            stopworldlock lock */
1424
1425         threads_preinit();
1426         lock_init();
1427         critical_init();
1428 #endif
1429
1430         /* install architecture dependent signal handlers */
1431
1432         if (!signal_init())
1433                 vm_abort("vm_create: signal_init failed");
1434
1435 #if defined(ENABLE_INTRP)
1436         /* Allocate main thread stack on the Java heap. */
1437
1438         if (opt_intrp) {
1439                 intrp_main_stack = GCMNEW(u1, opt_stacksize);
1440                 MSET(intrp_main_stack, 0, u1, opt_stacksize);
1441         }
1442 #endif
1443
1444         /* AFTER: threads_preinit */
1445
1446         if (!string_init())
1447                 vm_abort("vm_create: string_init failed");
1448
1449         /* AFTER: threads_preinit */
1450
1451         utf8_init();
1452
1453         /* AFTER: thread_preinit */
1454
1455         if (!suck_init())
1456                 vm_abort("vm_create: suck_init failed");
1457
1458         suck_add_from_property("java.endorsed.dirs");
1459
1460         /* Now we have all options handled and we can print the version
1461            information.
1462
1463            AFTER: suck_add_from_property("java.endorsed.dirs"); */
1464
1465         if (opt_version)
1466                 version(opt_exit);
1467
1468         /* AFTER: utf8_init */
1469
1470         boot_class_path = properties_get("sun.boot.class.path");
1471         suck_add(boot_class_path);
1472
1473         /* initialize the classcache hashtable stuff: lock, hashtable
1474            (must be done _after_ threads_preinit) */
1475
1476         if (!classcache_init())
1477                 vm_abort("vm_create: classcache_init failed");
1478
1479         /* Initialize the code memory management. */
1480         /* AFTER: threads_preinit */
1481
1482         codememory_init();
1483
1484         /* initialize the finalizer stuff (must be done _after_
1485            threads_preinit) */
1486
1487         if (!finalizer_init())
1488                 vm_abort("vm_create: finalizer_init failed");
1489
1490         /* Initialize the JIT compiler. */
1491
1492         jit_init();
1493         code_init();
1494         methodtree_init();
1495
1496 #if defined(ENABLE_PYTHON)
1497         pythonpass_init();
1498 #endif
1499
1500         /* BEFORE: loader_preinit */
1501
1502         package_init();
1503
1504         /* AFTER: utf8_init, classcache_init */
1505
1506         loader_preinit();
1507         linker_preinit();
1508
1509         /* AFTER: loader_preinit, linker_preinit */
1510
1511         primitive_init();
1512
1513         loader_init();
1514         linker_init();
1515
1516         /* AFTER: loader_init, linker_init */
1517
1518         primitive_postinit();
1519         method_init();
1520
1521 #if defined(ENABLE_JIT)
1522         trap_init();
1523 #endif
1524
1525         if (!builtin_init())
1526                 vm_abort("vm_create: builtin_init failed");
1527
1528         /* Initialize the native subsystem. */
1529         /* BEFORE: threads_init */
1530
1531         if (!native_init())
1532                 vm_abort("vm_create: native_init failed");
1533
1534         /* Register the native methods implemented in the VM. */
1535         /* BEFORE: threads_init */
1536
1537         nativevm_preinit();
1538
1539 #if defined(ENABLE_JNI)
1540         /* Initialize the JNI subsystem (must be done _before_
1541            threads_init, as threads_init can call JNI methods
1542            (e.g. NewGlobalRef). */
1543
1544         if (!jni_init())
1545                 vm_abort("vm_create: jni_init failed");
1546 #endif
1547
1548 #if defined(ENABLE_JNI) || defined(ENABLE_HANDLES)
1549         /* Initialize the local reference table for the main thread. */
1550         /* BEFORE: threads_init */
1551
1552         if (!localref_table_init())
1553                 vm_abort("vm_create: localref_table_init failed");
1554 #endif
1555
1556         /* Iinitialize some important system classes. */
1557         /* BEFORE: threads_init */
1558
1559         initialize_init();
1560
1561 #if defined(ENABLE_THREADS)
1562         threads_init();
1563 #endif
1564
1565         /* Initialize the native VM subsystem. */
1566         /* AFTER: threads_init (at least for SUN's classes) */
1567
1568         nativevm_init();
1569
1570 #if defined(ENABLE_PROFILING)
1571         /* initialize profiling */
1572
1573         if (!profile_init())
1574                 vm_abort("vm_create: profile_init failed");
1575 #endif
1576
1577 #if defined(ENABLE_THREADS)
1578         /* initialize recompilation */
1579
1580         if (!recompile_init())
1581                 vm_abort("vm_create: recompile_init failed");
1582
1583         /* start the signal handler thread */
1584
1585 #if defined(__LINUX__)
1586         /* XXX Remove for exact-GC. */
1587         if (threads_pthreads_implementation_nptl)
1588 #endif
1589                 if (!signal_start_thread())
1590                         vm_abort("vm_create: signal_start_thread failed");
1591
1592         /* finally, start the finalizer thread */
1593
1594         if (!finalizer_start_thread())
1595                 vm_abort("vm_create: finalizer_start_thread failed");
1596
1597 # if !defined(NDEBUG)
1598         /* start the memory profiling thread */
1599
1600         if (opt_ProfileMemoryUsage || opt_ProfileGCMemoryUsage)
1601                 if (!memory_start_thread())
1602                         vm_abort("vm_create: memory_start_thread failed");
1603 # endif
1604
1605         /* start the recompilation thread (must be done before the
1606            profiling thread) */
1607
1608         if (!recompile_start_thread())
1609                 vm_abort("vm_create: recompile_start_thread failed");
1610
1611 # if defined(ENABLE_PROFILING)
1612         /* start the profile sampling thread */
1613
1614 /*      if (opt_prof) */
1615 /*              if (!profile_start_thread()) */
1616 /*                      vm_abort("vm_create: profile_start_thread failed"); */
1617 # endif
1618 #endif
1619
1620 #if defined(ENABLE_JVMTI)
1621 # if defined(ENABLE_GC_CACAO)
1622         /* XXX this will not work with the new indirection cells for classloaders!!! */
1623         assert(0);
1624 # endif
1625         if (jvmti) {
1626                 /* add agent library to native library hashtable */
1627                 native_hashtable_library_add(utf_new_char(libname), class_java_lang_Object->classloader, handle);
1628         }
1629 #endif
1630
1631         /* Increment the number of VMs. */
1632
1633         vms++;
1634
1635         /* Initialization is done, VM is created.. */
1636
1637         vm_created      = true;
1638         vm_initializing = false;
1639
1640         /* Print the VM configuration after all stuff is set and the VM is
1641            initialized. */
1642
1643         if (opt_PrintConfig)
1644                 vm_printconfig();
1645
1646         /* everything's ok */
1647
1648         return true;
1649 }
1650
1651
1652 /* vm_run **********************************************************************
1653
1654    Runs the main-method of the passed class.
1655
1656 *******************************************************************************/
1657
1658 void vm_run(JavaVM *vm, JavaVMInitArgs *vm_args)
1659 {
1660         utf                       *mainutf;
1661         classinfo                 *mainclass;
1662         java_handle_t             *e;
1663         methodinfo                *m;
1664         java_handle_objectarray_t *oa;
1665         s4                         oalength;
1666         utf                       *u;
1667         java_handle_t             *s;
1668         int                        status;
1669         int                        i;
1670
1671 #if defined(ENABLE_THREADS)
1672         threadobject              *t;
1673 #endif
1674
1675 #if !defined(NDEBUG)
1676         if (compileall) {
1677                 vm_compile_all();
1678                 return;
1679         }
1680
1681         if (opt_method != NULL) {
1682                 vm_compile_method();
1683                 return;
1684         }
1685 #endif /* !defined(NDEBUG) */
1686
1687         /* should we run the main-method? */
1688
1689         if (mainstring == NULL)
1690                 usage();
1691
1692         /* set return value to OK */
1693
1694         status = 0;
1695
1696         if (opt_jar == true) {
1697                 /* open jar file with java.util.jar.JarFile */
1698
1699                 mainstring = vm_get_mainclass_from_jar(mainstring);
1700
1701                 if (mainstring == NULL)
1702                         vm_exit(1);
1703         }
1704
1705         /* load the main class */
1706
1707         mainutf = utf_new_char(mainstring);
1708
1709 #if defined(ENABLE_JAVAME_CLDC1_1)
1710         mainclass = load_class_bootstrap(mainutf);
1711 #else
1712         mainclass = load_class_from_sysloader(mainutf);
1713 #endif
1714
1715         /* error loading class */
1716
1717         e = exceptions_get_and_clear_exception();
1718
1719         if ((e != NULL) || (mainclass == NULL)) {
1720                 exceptions_throw_noclassdeffounderror_cause(e);
1721                 exceptions_print_stacktrace();
1722                 vm_exit(1);
1723         }
1724
1725         if (!link_class(mainclass)) {
1726                 exceptions_print_stacktrace();
1727                 vm_exit(1);
1728         }
1729
1730         /* find the `main' method of the main class */
1731
1732         m = class_resolveclassmethod(mainclass,
1733                                                                  utf_new_char("main"),
1734                                                                  utf_new_char("([Ljava/lang/String;)V"),
1735                                                                  class_java_lang_Object,
1736                                                                  false);
1737
1738         if (exceptions_get_exception()) {
1739                 exceptions_print_stacktrace();
1740                 vm_exit(1);
1741         }
1742
1743         /* there is no main method or it isn't static */
1744
1745         if ((m == NULL) || !(m->flags & ACC_STATIC)) {
1746                 exceptions_clear_exception();
1747                 exceptions_throw_nosuchmethoderror(mainclass,
1748                                                                                    utf_new_char("main"),
1749                                                                                    utf_new_char("([Ljava/lang/String;)V"));
1750
1751                 exceptions_print_stacktrace();
1752                 vm_exit(1);
1753         }
1754
1755         /* build argument array */
1756
1757         oalength = vm_args->nOptions - opt_index;
1758
1759         oa = builtin_anewarray(oalength, class_java_lang_String);
1760
1761         for (i = 0; i < oalength; i++) {
1762                 u = utf_new_char(vm_args->options[opt_index + i].optionString);
1763                 s = javastring_new(u);
1764
1765                 array_objectarray_element_set(oa, i, s);
1766         }
1767
1768 #ifdef TYPEINFO_DEBUG_TEST
1769         /* test the typeinfo system */
1770         typeinfo_test();
1771 #endif
1772         /*class_showmethods(currentThread->group->header.vftbl->class); */
1773
1774 #if defined(ENABLE_JVMTI)
1775         jvmti_set_phase(JVMTI_PHASE_LIVE);
1776 #endif
1777
1778         /* set ThreadMXBean variables */
1779
1780         _Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount++;
1781         _Jv_jvm->java_lang_management_ThreadMXBean_TotalStartedThreadCount++;
1782
1783         if (_Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount >
1784                 _Jv_jvm->java_lang_management_ThreadMXBean_PeakThreadCount)
1785                 _Jv_jvm->java_lang_management_ThreadMXBean_PeakThreadCount =
1786                         _Jv_jvm->java_lang_management_ThreadMXBean_ThreadCount;
1787
1788         /* start the main thread */
1789
1790         (void) vm_call_method(m, NULL, oa);
1791
1792         /* exception occurred? */
1793
1794         if (exceptions_get_exception()) {
1795                 exceptions_print_stacktrace();
1796                 status = 1;
1797         }
1798
1799 #if defined(ENABLE_THREADS)
1800     /* Detach the main thread so that it appears to have ended when
1801            the application's main method exits. */
1802
1803         t = thread_get_current();
1804
1805         if (!threads_detach_thread(t))
1806                 vm_abort("vm_run: Could not detach main thread.");
1807 #endif
1808
1809         /* Destroy the JavaVM. */
1810
1811         (void) vm_destroy(vm);
1812
1813         /* And exit. */
1814
1815         vm_exit(status);
1816 }
1817
1818
1819 /* vm_destroy ******************************************************************
1820
1821    Unloads a Java VM and reclaims its resources.
1822
1823 *******************************************************************************/
1824
1825 int vm_destroy(JavaVM *vm)
1826 {
1827 #if defined(ENABLE_THREADS)
1828         /* Create a a trivial new Java waiter thread called
1829            "DestroyJavaVM". */
1830
1831         JavaVMAttachArgs args;
1832
1833         args.name  = "DestroyJavaVM";
1834         args.group = NULL;
1835
1836         if (!threads_attach_current_thread(&args, false))
1837                 return 1;
1838
1839         /* Wait until we are the last non-daemon thread. */
1840
1841         threads_join_all_threads();
1842 #endif
1843
1844         /* VM is gone. */
1845
1846         vm_created = false;
1847
1848         /* Everything is ok. */
1849
1850         return 0;
1851 }
1852
1853
1854 /* vm_exit *********************************************************************
1855
1856    Calls java.lang.System.exit(I)V to exit the JavaVM correctly.
1857
1858 *******************************************************************************/
1859
1860 void vm_exit(s4 status)
1861 {
1862         methodinfo *m;
1863
1864         /* signal that we are exiting */
1865
1866         vm_exiting = true;
1867
1868         assert(class_java_lang_System);
1869         assert(class_java_lang_System->state & CLASS_LOADED);
1870
1871 #if defined(ENABLE_JVMTI)
1872         if (jvmti || (dbgcom!=NULL)) {
1873                 jvmti_set_phase(JVMTI_PHASE_DEAD);
1874                 if (jvmti) jvmti_agentunload();
1875         }
1876 #endif
1877
1878         if (!link_class(class_java_lang_System)) {
1879                 exceptions_print_stacktrace();
1880                 exit(1);
1881         }
1882
1883         /* call java.lang.System.exit(I)V */
1884
1885         m = class_resolveclassmethod(class_java_lang_System,
1886                                                                  utf_new_char("exit"),
1887                                                                  utf_int__void,
1888                                                                  class_java_lang_Object,
1889                                                                  true);
1890
1891         if (m == NULL) {
1892                 exceptions_print_stacktrace();
1893                 exit(1);
1894         }
1895
1896         /* call the exit function with passed exit status */
1897
1898         (void) vm_call_method(m, NULL, status);
1899
1900         /* If we had an exception, just ignore the exception and exit with
1901            the proper code. */
1902
1903         vm_shutdown(status);
1904 }
1905
1906
1907 /* vm_shutdown *****************************************************************
1908
1909    Terminates the system immediately without freeing memory explicitly
1910    (to be used only for abnormal termination).
1911
1912 *******************************************************************************/
1913
1914 void vm_shutdown(s4 status)
1915 {
1916         if (opt_verbose
1917 #if defined(ENABLE_STATISTICS)
1918                 || opt_getcompilingtime || opt_stat
1919 #endif
1920            )
1921         {
1922                 log_text("CACAO terminated by shutdown");
1923                 dolog("Exit status: %d\n", (s4) status);
1924
1925         }
1926
1927 #if defined(ENABLE_JVMTI)
1928         /* terminate cacaodbgserver */
1929         if (dbgcom!=NULL) {
1930                 mutex_lock(&dbgcomlock);
1931                 dbgcom->running=1;
1932                 mutex_unlock(&dbgcomlock);
1933                 jvmti_cacaodbgserver_quit();
1934         }
1935 #endif
1936
1937         exit(status);
1938 }
1939
1940
1941 /* vm_exit_handler *************************************************************
1942
1943    The exit_handler function is called upon program termination.
1944
1945    ATTENTION: Don't free system resources here! Some threads may still
1946    be running as this is called from VMRuntime.exit(). The OS does the
1947    cleanup for us.
1948
1949 *******************************************************************************/
1950
1951 void vm_exit_handler(void)
1952 {
1953 #if !defined(NDEBUG)
1954         if (showmethods)
1955                 class_showmethods(mainclass);
1956
1957         if (showconstantpool)
1958                 class_showconstantpool(mainclass);
1959
1960         if (showutf)
1961                 utf_show();
1962
1963 # if defined(ENABLE_PROFILING)
1964         if (opt_prof)
1965                 profile_printstats();
1966 # endif
1967 #endif /* !defined(NDEBUG) */
1968
1969 #if defined(ENABLE_RT_TIMING)
1970         rt_timing_print_time_stats(stderr);
1971 #endif
1972
1973 #if defined(ENABLE_CYCLES_STATS)
1974         builtin_print_cycles_stats(stderr);
1975         stacktrace_print_cycles_stats(stderr);
1976 #endif
1977
1978         if (opt_verbose
1979 #if defined(ENABLE_STATISTICS)
1980                 || opt_getcompilingtime || opt_stat
1981 #endif
1982            )
1983         {
1984                 log_text("CACAO terminated");
1985
1986 #if defined(ENABLE_STATISTICS)
1987                 if (opt_stat) {
1988                         print_stats();
1989 #ifdef TYPECHECK_STATISTICS
1990                         typecheck_print_statistics(get_logfile());
1991 #endif
1992                 }
1993
1994                 if (opt_getcompilingtime)
1995                         print_times();
1996 #endif /* defined(ENABLE_STATISTICS) */
1997         }
1998         /* vm_print_profile(stderr);*/
1999 }
2000
2001
2002 /* vm_abort ********************************************************************
2003
2004    Prints an error message and aborts the VM.
2005
2006    IN:
2007        text ... error message to print
2008
2009 *******************************************************************************/
2010
2011 void vm_abort(const char *text, ...)
2012 {
2013         va_list ap;
2014
2015         /* Print the log message. */
2016
2017         log_start();
2018
2019         va_start(ap, text);
2020         log_vprint(text, ap);
2021         va_end(ap);
2022
2023         log_finish();
2024
2025         /* Now abort the VM. */
2026
2027         system_abort();
2028 }
2029
2030
2031 /* vm_abort_errnum *************************************************************
2032
2033    Prints an error message, appends ":" plus the strerror-message of
2034    errnum and aborts the VM.
2035
2036    IN:
2037        errnum ... error number
2038        text ..... error message to print
2039
2040 *******************************************************************************/
2041
2042 void vm_abort_errnum(int errnum, const char *text, ...)
2043 {
2044         va_list ap;
2045
2046         /* Print the log message. */
2047
2048         log_start();
2049
2050         va_start(ap, text);
2051         log_vprint(text, ap);
2052         va_end(ap);
2053
2054         /* Print the strerror-message of errnum. */
2055
2056         log_print(": %s", system_strerror(errnum));
2057
2058         log_finish();
2059
2060         /* Now abort the VM. */
2061
2062         system_abort();
2063 }
2064
2065
2066 /* vm_abort_errno **************************************************************
2067
2068    Equal to vm_abort_errnum, but uses errno to get the error number.
2069
2070    IN:
2071        text ... error message to print
2072
2073 *******************************************************************************/
2074
2075 void vm_abort_errno(const char *text, ...)
2076 {
2077         va_list ap;
2078
2079         va_start(ap, text);
2080         vm_abort_errnum(errno, text, ap);
2081         va_end(ap);
2082 }
2083
2084
2085 /* vm_abort_disassemble ********************************************************
2086
2087    Prints an error message, disassemble the given code range (if
2088    enabled) and aborts the VM.
2089
2090    IN:
2091        pc.......PC to disassemble
2092            count....number of instructions to disassemble
2093
2094 *******************************************************************************/
2095
2096 void vm_abort_disassemble(void *pc, int count, const char *text, ...)
2097 {
2098         va_list ap;
2099 #if defined(ENABLE_DISASSEMBLER)
2100         int     i;
2101 #endif
2102
2103         /* Print debug message. */
2104
2105         log_start();
2106
2107         va_start(ap, text);
2108         log_vprint(text, ap);
2109         va_end(ap);
2110
2111         log_finish();
2112
2113         /* Print the PC. */
2114
2115 #if SIZEOF_VOID_P == 8
2116         log_println("PC=0x%016lx", pc);
2117 #else
2118         log_println("PC=0x%08x", pc);
2119 #endif
2120
2121 #if defined(ENABLE_DISASSEMBLER)
2122         log_println("machine instructions at PC:");
2123
2124         /* Disassemble the given number of instructions. */
2125
2126         for (i = 0; i < count; i++)
2127                 pc = disassinstr(pc);
2128 #endif
2129
2130         vm_abort("Aborting...");
2131 }
2132
2133
2134 /* vm_get_mainclass_from_jar ***************************************************
2135
2136    Gets the name of the main class from a JAR's manifest file.
2137
2138 *******************************************************************************/
2139
2140 static char *vm_get_mainclass_from_jar(char *mainstring)
2141 {
2142         classinfo     *c;
2143         java_handle_t *o;
2144         methodinfo    *m;
2145         java_handle_t *s;
2146
2147         c = load_class_from_sysloader(utf_new_char("java/util/jar/JarFile"));
2148
2149         if (c == NULL) {
2150                 exceptions_print_stacktrace();
2151                 return NULL;
2152         }
2153
2154         /* create JarFile object */
2155
2156         o = builtin_new(c);
2157
2158         if (o == NULL) {
2159                 exceptions_print_stacktrace();
2160                 return NULL;
2161         }
2162
2163         m = class_resolveclassmethod(c,
2164                                                                  utf_init,
2165                                                                  utf_java_lang_String__void,
2166                                                                  class_java_lang_Object,
2167                                                                  true);
2168
2169         if (m == NULL) {
2170                 exceptions_print_stacktrace();
2171                 return NULL;
2172         }
2173
2174         s = javastring_new_from_ascii(mainstring);
2175
2176         (void) vm_call_method(m, o, s);
2177
2178         if (exceptions_get_exception()) {
2179                 exceptions_print_stacktrace();
2180                 return NULL;
2181         }
2182
2183         /* get manifest object */
2184
2185         m = class_resolveclassmethod(c,
2186                                                                  utf_new_char("getManifest"),
2187                                                                  utf_new_char("()Ljava/util/jar/Manifest;"),
2188                                                                  class_java_lang_Object,
2189                                                                  true);
2190
2191         if (m == NULL) {
2192                 exceptions_print_stacktrace();
2193                 return NULL;
2194         }
2195
2196         o = vm_call_method(m, o);
2197
2198         if (o == NULL) {
2199                 fprintf(stderr, "Could not get manifest from %s (invalid or corrupt jarfile?)\n", mainstring);
2200                 return NULL;
2201         }
2202
2203
2204         /* get Main Attributes */
2205
2206         LLNI_class_get(o, c);
2207
2208         m = class_resolveclassmethod(c,
2209                                                                  utf_new_char("getMainAttributes"),
2210                                                                  utf_new_char("()Ljava/util/jar/Attributes;"),
2211                                                                  class_java_lang_Object,
2212                                                                  true);
2213
2214         if (m == NULL) {
2215                 exceptions_print_stacktrace();
2216                 return NULL;
2217         }
2218
2219         o = vm_call_method(m, o);
2220
2221         if (o == NULL) {
2222                 fprintf(stderr, "Could not get main attributes from %s (invalid or corrupt jarfile?)\n", mainstring);
2223                 return NULL;
2224         }
2225
2226
2227         /* get property Main-Class */
2228
2229         LLNI_class_get(o, c);
2230
2231         m = class_resolveclassmethod(c,
2232                                                                  utf_new_char("getValue"),
2233                                                                  utf_new_char("(Ljava/lang/String;)Ljava/lang/String;"),
2234                                                                  class_java_lang_Object,
2235                                                                  true);
2236
2237         if (m == NULL) {
2238                 exceptions_print_stacktrace();
2239                 return NULL;
2240         }
2241
2242         s = javastring_new_from_ascii("Main-Class");
2243
2244         o = vm_call_method(m, o, s);
2245
2246         if (o == NULL) {
2247                 fprintf(stderr, "Failed to load Main-Class manifest attribute from\n");
2248                 fprintf(stderr, "%s\n", mainstring);
2249                 return NULL;
2250         }
2251
2252         return javastring_tochar(o);
2253 }
2254
2255
2256 /* vm_compile_all **************************************************************
2257
2258    Compile all methods found in the bootclasspath.
2259
2260 *******************************************************************************/
2261
2262 #if !defined(NDEBUG)
2263 static void vm_compile_all(void)
2264 {
2265         classinfo              *c;
2266         methodinfo             *m;
2267         u4                      slot;
2268         classcache_name_entry  *nmen;
2269         classcache_class_entry *clsen;
2270         s4                      i;
2271
2272         /* create all classes found in the bootclasspath */
2273         /* XXX currently only works with zip/jar's */
2274
2275         loader_load_all_classes();
2276
2277         /* link all classes */
2278
2279         for (slot = 0; slot < hashtable_classcache.size; slot++) {
2280                 nmen = (classcache_name_entry *) hashtable_classcache.ptr[slot];
2281
2282                 for (; nmen; nmen = nmen->hashlink) {
2283                         /* iterate over all class entries */
2284
2285                         for (clsen = nmen->classes; clsen; clsen = clsen->next) {
2286                                 c = clsen->classobj;
2287
2288                                 if (c == NULL)
2289                                         continue;
2290
2291                                 if (!(c->state & CLASS_LINKED)) {
2292                                         if (!link_class(c)) {
2293                                                 fprintf(stderr, "Error linking: ");
2294                                                 utf_fprint_printable_ascii_classname(stderr, c->name);
2295                                                 fprintf(stderr, "\n");
2296
2297                                                 /* print out exception and cause */
2298
2299                                                 exceptions_print_current_exception();
2300
2301                                                 /* goto next class */
2302
2303                                                 continue;
2304                                         }
2305                                 }
2306
2307                                 /* compile all class methods */
2308
2309                                 for (i = 0; i < c->methodscount; i++) {
2310                                         m = &(c->methods[i]);
2311
2312                                         if (m->jcode != NULL) {
2313                                                 if (!jit_compile(m)) {
2314                                                         fprintf(stderr, "Error compiling: ");
2315                                                         utf_fprint_printable_ascii_classname(stderr, c->name);
2316                                                         fprintf(stderr, ".");
2317                                                         utf_fprint_printable_ascii(stderr, m->name);
2318                                                         utf_fprint_printable_ascii(stderr, m->descriptor);
2319                                                         fprintf(stderr, "\n");
2320
2321                                                         /* print out exception and cause */
2322
2323                                                         exceptions_print_current_exception();
2324                                                 }
2325                                         }
2326                                 }
2327                         }
2328                 }
2329         }
2330 }
2331 #endif /* !defined(NDEBUG) */
2332
2333
2334 /* vm_compile_method ***********************************************************
2335
2336    Compile a specific method.
2337
2338 *******************************************************************************/
2339
2340 #if !defined(NDEBUG)
2341 static void vm_compile_method(void)
2342 {
2343         methodinfo *m;
2344
2345         /* create, load and link the main class */
2346
2347         mainclass = load_class_bootstrap(utf_new_char(mainstring));
2348
2349         if (mainclass == NULL)
2350                 exceptions_print_stacktrace();
2351
2352         if (!link_class(mainclass))
2353                 exceptions_print_stacktrace();
2354
2355         if (opt_signature != NULL) {
2356                 m = class_resolveclassmethod(mainclass,
2357                                                                          utf_new_char(opt_method),
2358                                                                          utf_new_char(opt_signature),
2359                                                                          mainclass,
2360                                                                          false);
2361         }
2362         else {
2363                 m = class_resolveclassmethod(mainclass,
2364                                                                          utf_new_char(opt_method),
2365                                                                          NULL,
2366                                                                          mainclass,
2367                                                                          false);
2368         }
2369
2370         if (m == NULL)
2371                 vm_abort("vm_compile_method: java.lang.NoSuchMethodException: %s.%s",
2372                                  opt_method, opt_signature ? opt_signature : "");
2373
2374         jit_compile(m);
2375 }
2376 #endif /* !defined(NDEBUG) */
2377
2378
2379 /* vm_call_array ***************************************************************
2380
2381    Calls a Java method with a variable number of arguments, passed via
2382    an argument array.
2383
2384    ATTENTION: This function has to be used outside the nativeworld.
2385
2386 *******************************************************************************/
2387
2388 #define VM_CALL_ARRAY(name, type)                                 \
2389 static type vm_call##name##_array(methodinfo *m, uint64_t *array) \
2390 {                                                                 \
2391         methoddesc *md;                                               \
2392         void       *pv;                                               \
2393         type        value;                                            \
2394                                                                   \
2395         assert(m->code != NULL);                                      \
2396                                                                   \
2397         md = m->parseddesc;                                           \
2398         pv = m->code->entrypoint;                                     \
2399                                                                   \
2400         STATISTICS(count_calls_native_to_java++);                     \
2401                                                                   \
2402         value = asm_vm_call_method##name(pv, array, md->memuse);      \
2403                                                                   \
2404         return value;                                                 \
2405 }
2406
2407 static java_handle_t *vm_call_array(methodinfo *m, uint64_t *array)
2408 {
2409         methoddesc    *md;
2410         void          *pv;
2411         java_object_t *o;
2412
2413         assert(m->code != NULL);
2414
2415         md = m->parseddesc;
2416         pv = m->code->entrypoint;
2417
2418         STATISTICS(count_calls_native_to_java++);
2419
2420         o = asm_vm_call_method(pv, array, md->memuse);
2421
2422         if (md->returntype.type == TYPE_VOID)
2423                 o = NULL;
2424
2425         return LLNI_WRAP(o);
2426 }
2427
2428 VM_CALL_ARRAY(_int,    int32_t)
2429 VM_CALL_ARRAY(_long,   int64_t)
2430 VM_CALL_ARRAY(_float,  float)
2431 VM_CALL_ARRAY(_double, double)
2432
2433
2434 /* vm_call_method **************************************************************
2435
2436    Calls a Java method with a variable number of arguments.
2437
2438 *******************************************************************************/
2439
2440 #define VM_CALL_METHOD(name, type)                                  \
2441 type vm_call_method##name(methodinfo *m, java_handle_t *o, ...)     \
2442 {                                                                   \
2443         va_list ap;                                                     \
2444         type    value;                                                  \
2445                                                                     \
2446         va_start(ap, o);                                                \
2447         value = vm_call_method##name##_valist(m, o, ap);                \
2448         va_end(ap);                                                     \
2449                                                                     \
2450         return value;                                                   \
2451 }
2452
2453 VM_CALL_METHOD(,        java_handle_t *)
2454 VM_CALL_METHOD(_int,    int32_t)
2455 VM_CALL_METHOD(_long,   int64_t)
2456 VM_CALL_METHOD(_float,  float)
2457 VM_CALL_METHOD(_double, double)
2458
2459
2460 /* vm_call_method_valist *******************************************************
2461
2462    Calls a Java method with a variable number of arguments, passed via
2463    a va_list.
2464
2465 *******************************************************************************/
2466
2467 #define VM_CALL_METHOD_VALIST(name, type)                               \
2468 type vm_call_method##name##_valist(methodinfo *m, java_handle_t *o,     \
2469                                                                    va_list ap)                          \
2470 {                                                                       \
2471         uint64_t *array;                                                    \
2472         type      value;                                                    \
2473         int32_t   dumpmarker;                                               \
2474                                                                         \
2475         if (m->code == NULL)                                                \
2476                 if (!jit_compile(m))                                            \
2477                         return 0;                                                   \
2478                                                                         \
2479         THREAD_NATIVEWORLD_EXIT;                                            \
2480         DMARKER;                                                            \
2481                                                                         \
2482         array = argument_vmarray_from_valist(m, o, ap);                     \
2483         value = vm_call##name##_array(m, array);                            \
2484                                                                         \
2485         DRELEASE;                                                           \
2486         THREAD_NATIVEWORLD_ENTER;                                           \
2487                                                                         \
2488         return value;                                                       \
2489 }
2490
2491 VM_CALL_METHOD_VALIST(,        java_handle_t *)
2492 VM_CALL_METHOD_VALIST(_int,    int32_t)
2493 VM_CALL_METHOD_VALIST(_long,   int64_t)
2494 VM_CALL_METHOD_VALIST(_float,  float)
2495 VM_CALL_METHOD_VALIST(_double, double)
2496
2497
2498 /* vm_call_method_jvalue *******************************************************
2499
2500    Calls a Java method with a variable number of arguments, passed via
2501    a jvalue array.
2502
2503 *******************************************************************************/
2504
2505 #define VM_CALL_METHOD_JVALUE(name, type)                               \
2506 type vm_call_method##name##_jvalue(methodinfo *m, java_handle_t *o,     \
2507                                                            const jvalue *args)                  \
2508 {                                                                       \
2509         uint64_t *array;                                                    \
2510         type      value;                                                    \
2511         int32_t   dumpmarker;                                               \
2512                                                                         \
2513         if (m->code == NULL)                                                \
2514                 if (!jit_compile(m))                                            \
2515                         return 0;                                                   \
2516                                                                         \
2517         THREAD_NATIVEWORLD_EXIT;                                            \
2518         DMARKER;                                                            \
2519                                                                         \
2520         array = argument_vmarray_from_jvalue(m, o, args);                   \
2521         value = vm_call##name##_array(m, array);                            \
2522                                                                         \
2523         DRELEASE;                                                           \
2524         THREAD_NATIVEWORLD_ENTER;                                           \
2525                                                                         \
2526         return value;                                                       \
2527 }
2528
2529 VM_CALL_METHOD_JVALUE(,        java_handle_t *)
2530 VM_CALL_METHOD_JVALUE(_int,    int32_t)
2531 VM_CALL_METHOD_JVALUE(_long,   int64_t)
2532 VM_CALL_METHOD_JVALUE(_float,  float)
2533 VM_CALL_METHOD_JVALUE(_double, double)
2534
2535
2536 /* vm_call_method_objectarray **************************************************
2537
2538    Calls a Java method with a variable number if arguments, passed via
2539    an objectarray of boxed values. Returns a boxed value.
2540
2541 *******************************************************************************/
2542
2543 java_handle_t *vm_call_method_objectarray(methodinfo *m, java_handle_t *o,
2544                                                                                   java_handle_objectarray_t *params)
2545 {
2546         uint64_t      *array;
2547         java_handle_t *xptr;
2548         java_handle_t *ro;
2549         imm_union      value;
2550         int32_t        dumpmarker;
2551
2552         /* Prevent compiler warnings. */
2553
2554         ro = NULL;
2555
2556         /* compile methods which are not yet compiled */
2557
2558         if (m->code == NULL)
2559                 if (!jit_compile(m))
2560                         return NULL;
2561
2562         /* leave the nativeworld */
2563
2564         THREAD_NATIVEWORLD_EXIT;
2565
2566         /* mark start of dump memory area */
2567
2568         DMARKER;
2569
2570         /* Fill the argument array from a object-array. */
2571
2572         array = argument_vmarray_from_objectarray(m, o, params);
2573
2574         if (array == NULL) {
2575                 /* release dump area */
2576
2577                 DRELEASE;
2578
2579                 /* enter the nativeworld again */
2580
2581                 THREAD_NATIVEWORLD_ENTER;
2582
2583                 exceptions_throw_illegalargumentexception();
2584
2585                 return NULL;
2586         }
2587
2588         switch (m->parseddesc->returntype.decltype) {
2589         case PRIMITIVETYPE_VOID:
2590                 value.a = vm_call_array(m, array);
2591                 break;
2592
2593         case PRIMITIVETYPE_BOOLEAN:
2594         case PRIMITIVETYPE_BYTE:
2595         case PRIMITIVETYPE_CHAR:
2596         case PRIMITIVETYPE_SHORT:
2597         case PRIMITIVETYPE_INT:
2598                 value.i = vm_call_int_array(m, array);
2599                 break;
2600
2601         case PRIMITIVETYPE_LONG:
2602                 value.l = vm_call_long_array(m, array);
2603                 break;
2604
2605         case PRIMITIVETYPE_FLOAT:
2606                 value.f = vm_call_float_array(m, array);
2607                 break;
2608
2609         case PRIMITIVETYPE_DOUBLE:
2610                 value.d = vm_call_double_array(m, array);
2611                 break;
2612
2613         case TYPE_ADR:
2614                 ro = vm_call_array(m, array);
2615                 break;
2616
2617         default:
2618                 vm_abort("vm_call_method_objectarray: invalid return type %d", m->parseddesc->returntype.decltype);
2619         }
2620
2621         /* release dump area */
2622
2623         DRELEASE;
2624
2625         /* enter the nativeworld again */
2626
2627         THREAD_NATIVEWORLD_ENTER;
2628
2629         /* box the return value if necesarry */
2630
2631         if (m->parseddesc->returntype.decltype != TYPE_ADR)
2632                 ro = primitive_box(m->parseddesc->returntype.decltype, value);
2633
2634         /* check for an exception */
2635
2636         xptr = exceptions_get_exception();
2637
2638         if (xptr != NULL) {
2639                 /* clear exception pointer, we are calling JIT code again */
2640
2641                 exceptions_clear_exception();
2642
2643                 exceptions_throw_invocationtargetexception(xptr);
2644         }
2645
2646         return ro;
2647 }
2648
2649
2650 /*
2651  * These are local overrides for various environment variables in Emacs.
2652  * Please do not remove this and leave it at the end of the file, where
2653  * Emacs will automagically detect them.
2654  * ---------------------------------------------------------------------
2655  * Local variables:
2656  * mode: c
2657  * indent-tabs-mode: t
2658  * c-basic-offset: 4
2659  * tab-width: 4
2660  * End:
2661  * vim:noexpandtab:sw=4:ts=4:
2662  */